tools/perf/util/bpf-event.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PERF_BPF_EVENT_H
   3 #define __PERF_BPF_EVENT_H
   4
   5 #include <linux/compiler.h>
   6 #include <linux/rbtree.h>
   7 #include <api/fd/array.h>
   8 #include <stdio.h>
   9
  10 struct bpf_prog_info;
  11 struct machine;
  12 union perf_event;
  13 struct perf_env;
  14 struct perf_sample;
  15 struct perf_session;
  16 struct record_opts;
  17 struct evlist;
  18 struct target;
  19
  20 struct bpf_prog_info_node {
  21         struct perf_bpil                *info_linear;
  22         struct rb_node                  rb_node;
  23 };
  24
  25 struct btf_node {
  26         struct rb_node  rb_node;
  27         u32             id;
  28         u32             data_size;
  29         char            data[];
  30 };
  31
  32 #ifdef HAVE_LIBBPF_SUPPORT
  33 int machine__process_bpf(struct machine *machine, union perf_event *event,
  34                          struct perf_sample *sample);
  35 int evlist__add_bpf_sb_event(struct evlist *evlist, struct perf_env *env);
  36 void __bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
  37                                       struct perf_env *env,
  38                                       FILE *fp);
  39 #else
  40 static inline int machine__process_bpf(struct machine *machine __maybe_unused,
  41                                        union perf_event *event __maybe_unused,
  42                                        struct perf_sample *sample __maybe_unused)
  43 {
  44         return 0;
  45 }
  46
  47 static inline int evlist__add_bpf_sb_event(struct evlist *evlist __maybe_unused,
  48                                            struct perf_env *env __maybe_unused)
  49 {
  50         return 0;
  51 }
  52
  53 static inline void __bpf_event__print_bpf_prog_info(struct bpf_prog_info *info __maybe_unused,
  54                                                     struct perf_env *env __maybe_unused,
  55                                                     FILE *fp __maybe_unused)
  56 {
  57
  58 }
  59 #endif // HAVE_LIBBPF_SUPPORT
  60 #endif